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r,paste,assign,names
I am using a for loop to read in multiple csv files and naming the datasets import1, import2, etc. For example: assign(paste("import",i,sep=""), read.csv(files[i], header=FALSE)) However, I now want to rename the variables in each dataset. I have tried the following: names(as.name(paste("import",i,sep=""))) <- c("xxxx", "yyyy") But get the error "target of...

r,time-series
I am trying to fit a subset model with only lag 4. In the manual it's written "you must use p=c(0,0,0,4) since p=4 will fit a full AR(4)". I did this. #fit a subset model with just lag 4 Fit=FitAR(p=c(0,0,0,4), lag.max = "default", ARModel = "ARz") However, I get the...

r
If I do the following to a string of letters: x <- 'broke' y <- nchar(x) z <- sequence(y) How do I store every value of the z that isn't the first, last, or middle values of the sequence. In this example if z is 1 2 3 4 5...

r,date,csv
This question already has an answer here: as.Date with dates in format m/d/y in R 2 answers My problem is that the as.Date function does not convert the values in a "date" column of a data frame into Date objects. I have a data.frame nmmaps. Here is a short...

javascript,function,methods,overloading
I'm reading Secrets of Javascript Ninja and came across an example that I cannot fully understand. This same example was cited by some other user here before, but their doubts are different than mine. Here is the example: function addMethod(object, name, fn) { var old = object[name]; object[name] = function(){...

r,plot,ggplot2,cdf
Currently I am doing some cumulative distribution plot using R and I tried to set x-axis with decreasing power values (such as 10000,1000,100,10,1) in equal sizes but I failed: n<-ceiling(max(test)) qplot(1:n, ecdf(test)(1:n), geom="point",xlab="check-ins", ylab="Pr(X>=x)")+ geom_step() +scale_x_reverse(breaks=c(10000,1000,100,10,1)) +scale_shape_manual(values=c(15,19)) It seems that the output has large interval for 10000, then all the...

r,subset
I have the following data frame which I imported into R using read.table() (I incorporated read.table() within read_data() which is a function I created that also throw messages in case the file name is not written appropriately): > raw_data <- read_data("n44.txt") [1] #### Reading txt file #### > head(raw_data) subject...

r,shiny
I am playing around with the shiny packages for some hours now, and wanted to make a select input widget that enables me to download a certain data set from the server. So i figured out a way to get me this data frame containing all my IDs for downloading:...

r,data.table,stata,code-translation
Just came across a .do file that I need to translate into R because I don't have a Stata license; my Stata is rusty, so can someone confirm that the code is doing what I think it is? Here's the Stata code: collapse (min) MinPctCollected = PctCollected /// (mean) AvgPctCollected...

r
I have two tables, one with property listings and another one with contacts made for a property (i.e. is someone is interested in the property they will "contact" the owner). Sample "listings" table below: listings <- data.frame(id = c("6174", "2175", "9176", "4176", "9177"), city = c("A", "B", "B", "B" ,"A"),...

r,data.table
I have the following situation: 1) a list of data tables 2) For testing purposes I deliberately want to (deeply) copy the whole list including the data tables 3) I want to take some element from the copied list and add a new column. Here is the code: library(data.table) x...

javascript,function,session
I am quite new to javascript, I wonder why my session value in javascript wont be set to 1 even I tried. When call this function again, the value of the session will change again. My javascript code as below. <script type="text/javascript"> function Confirm() { alert(<%=Session["Once"]%> != 1); var value...

r,statistics,histogram
How do I get a histogram-like summary of interval data in R? My MWE data has four intervals. interval range Int1 2-7 Int2 10-14 Int3 12-18 Int4 25-28 I want a histogram-like function which counts how the intervals Int1-Int4 span a range split across fixed-size bins. The function output should...

r,ggplot2
Is there an equivalent in ggplot2 to plot this dataset? I use matplot, and read that qplot could be used, but it really does not work. ggplot/matplot data<-rbind(c(6,16,25), c(1,4,7), c(NA, 1,2), c(NA, NA, 1)) as.data.frame(data) matplot(data, log="y",type='b', pch=1) ...

r,dictionary,spatial
I am working on a large data set with spatial data (lat/long). My data set contains some positions that I don´t want in my analysis (it makes the files to heavy to process in ArcMap- many Go of data). This is why I want to subset the relevant data for...

r
We have seven exposures and 24 groups. We would like to randomly assign five of the seven exposures to groups while also ensuring that we end up with a consistent count for each exposure, meaning that each exposure ends up being exposed about the same number of times. I have...

r,graph,highlight
library(season) plot(CVD$yrmon, CVD$cvd, type = 'o',pch = 19,ylab = 'Number of CVD deaths per month',xlab = 'Time') if i wanted to highlight a region of the graph based on x values say from 1994-1998 how do i do this? Any thought would be appreciated Thanks....

r,ggplot2
I'm working with some data that I want to display as a nxn grid of plots. Edit: To be more clear, there's 21 categories in my data. I want to facet by category, and have those 21 plots in a 5 x 5 square grid (where the orphan is by...

r,string
I've got a vector with a long list of dataset names. E.g myvector<-c('ds1','ds2,'ds3') I'd like to use the names ds1..ds3 to write a file, taking the file name from the vector. Like this: write.csv(dataset[i],file=paste(myvector[i],'.csv',sep='') with dataset being d1...ds3, but without quotes. How can I remove the quotes and refer to...

python,function,loops
I want to call the function multiple time and use it's returned argument everytime when it's called. For example: def myfunction(first, second, third): return (first+1,second+1,third+1) 1st call: myfunction(1,2,3) 2nd call is going to be pass returned variables: myfunction(2,3,4) and loop it until defined times. How can I do such loop?...

r
I want to model that a factory takes an input of, say, x tonnes of raw material, which is then processed. In the first step waste materials are removed, and a product P1 is created. For the "rest" of the material, it is processed once again and another product P2...

javascript,jquery,html,function
I am trying to create a calculator style thing, where you put in how many years into a input, you hit submit and it gives you different results below without reloading the page. I have all the calculations working right now, but I just cant get the input number variable...

r,fread
I am interested to skip some lines of my data frame before the header names . How can i do it by skiping all the lines before ID_REF or if ID_REF is not present, check for the pattern ILMN_ and deleting all the lines keeping immediate first if not containing...

r,excel
I'm trying to convert a column showing the time of road traffic accidents from military time to standard time. The data looks like this: Col1 Time..24hr. 1 1404 2 322 3 1945 4 1005 5 945 I'd then like to convert to 12hr so for '322' I'd like to make...

r,string-split,stemming,text-analysis
I had a text data frame having sentences, and as I wanted the list of separate words in another dataframe I used the "qdap package" function "all_words" Words = all_words(df$problem_note_text, begins.with=NULL , alphabetical = FALSE, apostrophe.remove = TRUE, char.keep = char2space, char2space = "~~") Now have a dataframe which has...

r,shiny,sleep
I have a WebApp that have some renderUI({})... and some of them depend on the input of another. This makes that, briefly, a red error in the webpage appear when I select some options. Because the if() clause of some renderUI({}) depend on the input of a selectizer. The error...

r,sapply
This code is suppose to take in a word, and compute values for letters of the word, based on the position of the letter in the word. So for a word like "broke" it's suppose to compute the values for the letter "r" and "k" strg <- 'broke' #this part...

r,time-series,forecasting
I've been doing a variety of models in R with time series data (in XTS format) and I keep running into the same issue where there's no date / time component to the fitted values / forecasts and thus I can't graph them on the same graph as the original...

r,posix,posixct
This question already has an answer here: Getting consist units from diff command in R 4 answers I successfully subtracted two POSIXct cols of df1 (below). However, since the time differences are >= 1 hour in all rows, R gives the results in hours. I know that this make...

r
I have a string which has a complex format, how can I use complex() to treat it as a complex number? For example: myStr="0.76+0.41j" now I want to do sth like: myStr_complex=complex(myStr) # my question is how should I do this part? Eventually Im(myStr_complex) should print 0.41 ...

r,oop
I have a number of matrices of the same size: m1.m <- matrix(c(1,2,3,4), nrow=2, ncol=2) m2.m <- matrix(c(5,6,7,8), nrow=2, ncol=2) ... I want to set uniform column and row names to all of them. Currently I am doing it like this: new_col_names <- c("Col1","Col2") new_row_names <- c("Row1","Row2") change_names <- function(m,...

r,vector,percentage
This is my vector head(sep) I must find percent of all SEP 11 in each row. For instance, in first row, percent of SEP 11 is 100 * ((63 + 124)/ (63 + 124 + 0 + 0)) And would like this stored in newly created 8th column Thanks dput...

r,if-statement,recursion,vector,integer
Given a sorted vector x: x <- c(1,2,4,6,7,10,11,12,15) I am trying to write a small function that will yield a similar sized vector y giving the last consecutive integer in order to group consecutive numbers. In my case it is (defining groups 2, 4, 7, 12 and 15): > y...

r
I'm trying to chop up a text file into the articles it contains. Usually this is done by identifying a pattern each article begins with. Unfortunately the database I downloaded the articles from doesn't have that. The only pattern I can find is that after each article there are 3...

r
I am using R for a project and I have a data frame in in the following format: A B C 1 1 0 0 2 0 1 1 I want to return a data frame that gives the Column Name when the value is 1. i.e. Impair1 Impair2 1...

r,count,duplicates
I've got a column A, which has several values, some of them repeating. So, example: A = c(5, 9, 6, 5, 5). I need to go through A and count the frequencies of each of the values in A. So, for this example, for the set of 5s in A,...

r,google-maps,ggmap
Few days ago I was familiarizing myself with displaying maps, plotting points on the map from http://rpubs.com/nickbearman/r-google-map-making Today, I have intermittent success in displaying maps. library(ggmap) map <- qmap('Anaheim', zoom = 10, maptype = 'roadmap') Outputs Map from URL : http://maps.googleapis.com/maps/api/staticmap?center=Anaheim&zoom=10&size=640x640&scale=2&maptype=roadmap&language=en-EN&sensor=false And when I go to the URL...

r,loops,data.frame,append
How do I put what I printed in a dataframe with a for loop and if else statements? Basically, this code: list<-c("10","20","5") for (j in 1:3){ if (list[j] < 8) print("Greater") else print("Less") }) #[1] "Less" #[1] "Less" #[1] "Greater" Or should it be something more like this? f3 <-...